Home / 11,111.12-15,333.63-6,075.55

Finding the Fourth Proportional to 11,111.12, 15,333.63 and 6,075.55

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Solution

The fourth proportional to 11,111.12, 15,333.63 and 6,075.55 is: 8,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.12 : 15,333.63 = 6,075.55 : x
  2. Step 2: Convert to fraction form
    11,111.12/15,333.63 = 6,075.55/x
  3. Step 3: Cross multiply
    11,111.12x = 15,333.63 × 6,075.55
  4. Step 4: Simplify right side
    11,111.12x = 93,160,235.75
  5. Step 5: Solve for x
    x = 93,160,235.75/11,111.12
  6. Step 6: Final answer
    x = 8,384.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.